目前现有的一种放射性显示屏是基于有机的发光二极管。
One type of emissive display that already exists is based on organic light-emitting diodes (OLEDs).
极重度骨髓型与肠型急性放射病(ARS)一直是医学难以攻克的热点问题。
The acute radiation syndrome (ARS) is hard to be, overcome as the hot medical problem.
腰椎极外侧椎间盘突出，以坐骨神经放射痛为主，腰痛轻微、抬腿试验可以阴性，可有上位或下位神经根受压定位体征；
Extreme lumber disc herniation mainly showed radiating pain of sciatic nerve, besides slight lumbago, negative Bragards test and location sign of pressure epistatic or inferiority nerve root.
目的探讨异基因外周血造血干细胞移植在肠型和极重度骨髓型放射病救治中的作用和地位。
Objective To explore the clinical significance of allogeneic peripheral stem cell transplantation in the treatment of acute radiation sickness.
并对双极神经元、多极神经元、锥体细胞、放射状胶质细胞、原浆性星形胶质细胞变化过程进行了描述。
The evolutional course of bipolar nerve cells, multipolar neurons, pyramidal-like cells, radial glial cells and protoplasmic astrocytes were described.
答：钍钨极仍是直流焊最常用的钨电极。但许多人开始避而远之，因为该元素具有放射性。
A: They remain the most common tungsten used in DC applications, but many people are starting to shy away because of the element's radioactivity.
答：钍钨极仍是直流焊最常用的钨电极。但许多人开始避而远之，因为该元素具有放射性。
A: They remain the most common tungsten used in DC applications, but many people are starting to shy away because of the element's radioactivity.
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